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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US401547330 oct. 19755 avr. 1977U.S. Philips CorporationMass flowmeter for a gaseous medium, for example air
US404029322 déc. 19759 août 1977Airflow Developments LimitedFluid flow measuring device
US41189736 sept. 197710 oct. 1978Canadian Patents & Development LimitedApparatus for measuring the flow rate and/or viscosity of a fluid
US417089911 avr. 197816 oct. 1979The United States of America as represented by the Secretary of CommerceMethod and apparatus for measuring gas flow speed
US41815091 déc. 19771 janv. 1980Envirotech CorporationFlow preconditioner for electrostatic precipitator
US419305410 avr. 197811 mars 1980United Electric Controls CompanyAir flow transducer
US455955824 août 198217 déc. 1985Sony CorporationPicture quality adjusting circuit
US478153610 sept. 19861 nov. 1988Low-flow pump-off control
US48428068 sept. 198727 juin 1989Kabushiki Kaisha ToshibaDevice for measuring recirculating flow rate in a nuclear reactor
US496134412 mai 19899 oct. 1990Multiple tube flowmeter
US520708911 juil. 19914 mai 1993Robert Bosch GmbHMethod for measuring the control cross section area of a nozzle
US525571623 mai 199126 oct. 1993Total Compagnie Francaise des Petroles
Den Norske Stats Oljeselskap AS
Pipe rectifier for stabilizing fluid flow
US529539715 juil. 199122 mars 1994The Texas A & M University SystemSlotted orifice flowmeter
US52974273 sept. 199229 mars 1994Alicat Scientific, Inc.Wide-range laminar flowmeter
US53418486 mars 199230 août 1994Salford University Business Services LimitedFlow conditioner
US53928155 août 199328 févr. 1995Pacific Gas and Electric CompanyGradational tube bundle flow conditioner for providing a natural flow profile to facilitate accurate orifice metering in fluid filled conduits
US544503510 déc. 199329 août 1995Precision gas mass flow measurement apparatus and method maintaining constant fluid temperature in thin elongated flow path
US546193226 janv. 199431 oct. 1995Texas A & M University SystemSlotted orifice flowmeter
US549587231 janv. 19945 mars 1996Integrity Measurement PartnersFlow conditioner for more accurate measurement of fluid flow
US551141615 sept. 199330 avr. 1996Alicat Scientific, Inc.Wide range laminar flow element
US552909324 mars 199525 juin 1996Integrity Measurement PartnersFlow conditioner profile plate for more accurate measurement of fluid flow
US55764981 nov. 199519 nov. 1996The Rosaen CompanyLaminar flow element for a flowmeter
US576379119 nov. 19969 juin 1998The Rosaen CompanyFlowmeter
US583790322 sept. 199517 nov. 1998The Scott Fetzer Company Inc.Device for measuring exhaust flowrate using laminar flow element
US61316212 déc. 199817 oct. 2000J. H. Fenner & Co., Ltd.Vapor recovery system for a fuel dispenser
US616414230 oct. 199826 déc. 2000Air flow measurement device
US619605812 mars 19986 mars 2001Consolidated Papers, Inc.On-line viscosity measurement system
US632491711 mars 19994 déc. 2001Mark Products, Inc.Combination air pipe connector and flow measurement device
US634553610 sept. 199812 févr. 2002The Texas A&M University SystemMultiple-phase flow meter
US635748430 août 199919 mars 2002UOP LLCMicroporous structure defined by a multiplicity of singular channels and method of making
US646042013 avr. 20008 oct. 2002Sandia National LaboratoriesFlowmeter for pressure-driven chromatography systems
US64941057 mai 199917 déc. 2002Method for determining flow velocity in a channel
US66014609 juin 19995 août 2003Flowmeter based on pressure drop across parallel geometry using boundary layer flow including Reynolds numbers above the laminar range
US661218723 oct. 20002 sept. 2003BG Intellectual Property LimitedMeasuring a gas mass fraction
US664058825 oct. 20014 nov. 2003UOP LLCMethod of making microporous structure defined by a multiplicity of singular channels
US668118922 août 200120 janv. 2004The Texas A&M University SystemMethod and system for determining flow rates and/or fluid density in single and multiple-phase flows utilizing discharge coefficient relationships
US670196312 mai 20039 mars 2004Horiba Instruments, Inc.Flow conditioner
US675507927 mars 200029 juin 2004Halliburton Energy Services, Inc.Method and apparatus for determining fluid viscosity
US685132213 nov. 20028 févr. 2005Savant Measurement CorporationMethod and apparatus for determining flow velocity in a channel
US705176519 déc. 200330 mai 2006The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationBalanced orifice plate
US72844509 avr. 200223 oct. 2007Dieterich Standard, Inc.Averaging orifice primary flow element
US730304612 juil. 20054 déc. 2007Savant Measurement CorporationApparatus for filtering ultrasonic noise within a fluid flow system
US730304712 juil. 20054 déc. 2007Savant Measurement CorporationApparatus for filtering ultrasonic noise within a fluid flow system
US730304812 juil. 20054 déc. 2007Savant Measurement CorporationMethod for filtering ultrasonic noise within a fluid flow system
US734382317 févr. 200618 mars 2008Honeywell International Inc.Ultra low pressure drop flow sensor
US740688029 mars 20075 août 2008Dieterich Standard, Inc.Averaging orifice primary flow element
US745498431 août 200725 nov. 2008Delphi Technologies, Inc.Flow meter for measuring a flow rate of a flow of a fluid
US746461113 avr. 200416 déc. 2008EMS-Patent AGDifferential pressure means for a gas meter arrangement, comprising an improved flow geometry
US74726108 déc. 20066 janv. 2009Cummins Filtration IP, IncApparatus, system, and method for differential pressure measurement across a conduit flow area change
US765415730 nov. 20072 févr. 2010Honeywell International Inc.Airflow sensor with pitot tube for pressure drop reduction
US769895812 déc. 200820 avr. 2010Hydrometer GmbHDifferential pressure means for a gas meter arrangement, comprising an improved flow geometry
US78456884 avr. 20077 déc. 2010Savant Measurement CorporationMultiple material piping component
US810434019 déc. 200831 janv. 2012Honeywell International Inc.Flow sensing device including a tapered flow channel
US81329614 mars 200913 mars 2012The United States of America as represented by the United States National Aeronautics and Space AdministrationFlow plug with length-to-hole size uniformity for use in flow conditioning and flow metering